Patek Philippe Perpetual Calendar 3940J Mens Watch. 36mm 18K yellow gold case. 18K yellow gold bezel. Silver dial with gold hands and index hour markers. Perpetual calendar displays with a moon phase indicator. Black leather strap with 18K yellow gold buckle. Will fit up to a 7.5-inch wrist. Sapphire crystal. Transparent sapphire crystal case back. Automatic self-winding movement. This watch comes with Archives.

This watch is backed by our two-year warranty.